Question

A 4150 kg wrecking ball swings in a horizontal circle motion around a crane, making a...

A 4150 kg wrecking ball swings in a horizontal circle motion around a crane, making a 30 ◦ angle from the vertical. If the cable hoisting the ball is 12 m and during the swing the tension in the cable is 55 kN, with what speed is the ball moving?

Report the value in m/s rounded to the nearest tenth.

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Answer #1

Here we apply concept of circular motion and Newton's laws of motion.

See diagram mass of ball, m= 4150kg Horizontal circle of ratius s de shown Length, L of cable, L=12m O = 30° with vertical

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